Iwe unoda kugona kugadzirwa kweultrafine simbi poda? Tarisa apa.

Muchikamu chemazuva ano chekugadzira, ultra-fine metal powders zvave zvemusimboti zvekushandisa kune akawanda epamusoro-tech maindasitiri. Mashandisiro avo akakura uye akakosha, kubva kusimbi 3D kudhinda (yekuwedzera kugadzira) uye yekupisa inovharira mabhairiji einjini dzemuchadenga kuitisa sirivheri paste yezvigadzirwa zvemagetsi uye titanium alloy poda yekudyara. Zvisinei, kugadzira yakakwirira-mhando, yakaderera-oxygen, spherical ultra-fine metal poda idambudziko rakaoma zvikuru retekinoroji. Pakati peakasiyana siyana ekugadzira poda tekinoroji, yakakwira-tembiricha yesimbi mvura atomization iri kuwedzera kutariswa nekuda kweiyo yakasarudzika mabhenefiti. Asi chaizvoizvo "yakanaka" serunyerekupe here? Ichi chinyorwa chinotarisa mumisimboti, zvakanakira, matambudziko, uye mashandisiro kuti uwane mhinduro.

1. Ultra-Yakanaka Metal Powder: Iyo "Invisible Cornerstone" yeIndasitiri Yemazuva Ano

Usati waongorora michina, zvakakosha kuti unzwisise kuti nei ultra-fine metal poda yakakosha.

(1) Tsanangudzo neMitemo:

Kazhinji, masimbi ehupfu ane particle size pakati pe 1 micron ne 100 microns anoonekwa sehupfu hwakatsetseka, nepo ane particle size pasi pe 20 micron (kunyangwe pasi kusvika pa sub-micron level) anonzi "ultra-fine" kana "micro-fine" powders. Aya mapoda ane nzvimbo yakakura kwazvo yakasarudzika, zvichikonzera mhedzisiro, diki saizi mhedzisiro, uye quantum mhedzisiro isingawanikwe mune zvakawanda zvinhu.

(2) Minda Yekushandisa:

Additive Manufacturing (3D Printing): Iri ndiro rakakura kudiwa chikamu cheultra-fine metal powders. Laser kana matanda erekitironi anonyungudusa akaturikidzana ehupfu kuti anyatso kugadzira zvikamu zvine yakaoma geometries yeaerospace, zvekurapa (semuenzaniso, majoini ehudyu, korona dzemazino), uye maindasitiri ekuumbwa. Kuyerera kwehupfu, kugovanisa saizi yechikamu, uye sphericity zvinotarisisa zvakananga chikamu chakadhindwa uye kuita kwayo.

Metal Injection Molding (MIM): Ultra-fine metal powder inosanganiswa nebhainda uye inobayiwa muforoma kuti igadzire chimiro. Iyi "chikamu chegirini" chinopinda mukudhibhisa uye kunyungudika kuburitsa yakakwira-vhoriyamu, yakakwirira-chaiyo, yakanyanya kuomarara zvidiki, senge nhare dzeSIM tray, zvinokonzeresa pfuti, uye makesi ewachi.

Thermal Spray Technology: Hupfu inodyiswa mumoto unopisa kana plasma, yakanyungudutswa, yobva yapfapfaidzwa nepamusoro-soro panzvimbo ye substrate kuti igadzire machira asingapfeke, anodzivirira kukungura, uye oxidation. Inoshandiswa zvakanyanya mumagetsi einjini, mapaipi emafuta, nezvimwe.

Mimwe Minda: Zvakare zvinosanganisira conductive paste yeindasitiri yemagetsi, zvinokonzeresa indasitiri yemakemikari, uye zvinhu zvine simba zvebazi rekudzivirira.

Aya ekupedzisira-ekupedzisira maapplication anoisa zvakanyanya kuomarara zvinodiwa pane simbi poda saizi, sphericity, oxygen yemukati, kuyerera, uye inooneka density.

2. Yakasiyana-siyana yePowder Production Technologies: Sei Mvura yeAtomization Inomira Kunze?

Hunyanzvi hwekugadzira simbi hupfu hunogona kukamurwa kuita nzira dzemuviri (semuenzaniso, atomization), nzira dzemakemikari (semuenzaniso, kemikari mhute deposition, kuderedza), uye michina nzira (semuenzaniso, bhora kugaya). Pakati pazvo, atomization ndiyo nzira yakajairwa nekuda kwehukuru hwayo hwekugadzira, mutengo unodzoreka, uye kukodzera kwekugadzirwa kwemaindasitiri.

Atomization inokamurwazve kuita gasi atomization uye mvura atomization zvichienderana nepakati inoshandiswa.

Gasi Atomization: Inoshandisa high-pressure inert gasi (semuenzaniso, argon, nitrogen) kukanganisa rwizi rwesimbi yakanyungudutswa, ichiipwanya kuita madonhwe akatsetseka anoomesa kuita upfu. Zvakanakira zvinosanganisira yakakwira hupfu sphericity uye yakanaka oxygen yemukati kutonga. Zvakaipa midziyo yakaoma, mutengo wegasi wakakwira, kushandiswa kwesimba rakawanda, uye goho rakaderera rehupfu hwakatsetseka.

Mvura Atomization: Inoshandisa yakakwira-kumanikidza mvura jets senzira yekupwanya. Atomization yemvura yechinyakare, nekuda kwekukurumidza kutonhora kwayo, inogadzira hupfu huzhinji husina kujairika (hwakafuratira kana padyo-denderedzwa) nehupamhi hweokisijeni, inowanzo shandiswa munzvimbo dzine chimiro chisina kukosha, senge metallurgy uye welding zvinhu.

Yakakwira-tembiricha yesimbi yemvura atomization tekinoroji inyanzvi huru yakavakirwa pachinyakare mvura atomization, zvine hungwaru kusanganisa kugona kwakanyanya kwemvura atomization nemhando yepamusoro yegasi atomization.

3. Demystifying the High-Temperature Metal Water Atomization Powder Production Machine: Inoshanda Sei?

Iyo yepamusoro-yepamusoro-tembiricha yemvura atomizer's musimboti dhizaini dhizaini ndeye: kuisa atomize madonhwe esimbi zvakanyanya sezvinobvira uye nekuabvumira kuti arambe akatenderera asati abata mvura.

Kufamba kwayo kunogona kupfupikiswa mumatanho akakosha aya:

(1) Kunyungudika uye Kupisa kukuru: Metal kana alloy mbishi zvinhu zvinonyungudutswa muchoto chepakati-frequency induction pasi pevacuum kana mhepo inodzivirira uye inopisa kusvika kune tembiricha iri pamusoro penzvimbo yavo yekunyungudika ("superheated" state, kazhinji 200-400 ° C kumusoro). Iyo tembiricha yepamusoro inoderedza zvakanyanya kunyungudutswa kwesimbi yekunyunguduka uye tension yepasi, inova chinhu chakakosha chinodiwa kune inotevera yakanaka uye spherical poda kuumbwa.

(2) Kutungamidza uye Kudira Kwakagadzikana: Simbi yakanyungudutswa inoumba rukova rwakadzikama kuburikidza nechepazasi chegwaro remuromo. Kugadzikana kwerukova urwu kwakakosha pakugovera saizi yehupfu hwakafanana.

(3) High-Pressure Atomization: Uyu ndiwo musimboti wetekinoroji. Iyo simbi rwizi inobatwa chaizvo paatomization nozzle neakawanda ekupedzisira-yepamusoro-kudzvanywa (kusvika zana MPa kana kupfuura) jets dzemvura kubva kumakona akasiyana. Iyo yakanyanya kukwirira mvura kudzvinyirirwa kunopa jets hombe kinetic simba, inokwanisa 粉碎 (fensui: kupwanya) iyo yakaderera-viscosity, yakaderera-pamusoro-tension superheated simbi rwizi mumadonhwe akanyanya kunaka.

(4) Kubhururuka uye Spheroidization: Iyo yakapwanyika simbi diki-madonhwe ane nguva yakakwana panguva yekubhururuka kwavo kusvika pasi peiyo atomization tower kuti iite makondirakiti mumativi akakwana pasi pekuita kwekushushikana kwepasi. Iyo midziyo inogadzira iyo yakakwana nharaunda yekudonha spheroidization nekunyatso kudzora mhepo mukati meiyo atomization tower (inowanzozadzwa negasi rekudzivirira senge nitrogen) uye kureba kwendege.

(5) Kurumidza Kusunga uye Kuunganidza: Madonhwe akatenderedzwa anokurumidza kusimba pakuwira mumvura-yakatonhodzwa yekuunganidza tangi pazasi, ichigadzira yakasimba spherical poda. Maitirwo anotevera sekubvisa mvura, kuomesa, kuongorora, uye kusanganisa kunopa chigadzirwa chekupedzisira.

4. "Kubatsira" kweAtomization yeMvura Yakanyanya-Tembiricha: Kuongorora Kwakakwana Kwezvakanakira.

Inoonekwa se "yakanaka" nekuti inogadzirisa akawanda marwadzo mapoinzi mukugadzirwa kwehupfu hwakatsetseka:

1. Yakanyanya High Ultra-Yakanaka Powder Goho: Iyi ndiyo inonyanya kukosha mukana. Iko kusanganiswa kwe-ultra-high water pressure uye metal superheating tekinoroji inowedzera goho rezvinangwa zvehupfu hwakatsetseka mu15-25μm renji kusvika kakati wandei kune yechinyakare gasi atomization, zvichideredza zvakanyanya mutengo wekugadzira mayunitsi.

2. Yakanakisa Powder Sphericity: Kupisa kwakanyanya kunoderedza kunyungudutswa kwesimbi yepasi, uye yakagadziridzwa maitiro eatomization inoguma nehupfu sphericity iri padyo neiyo yehupfu hwegasi-atomized, ichizadzisa zvizere zvinodiwa pakudhinda kwe3D uye MIM.

3. Zvikuru Kuderera Oxygen Content: Kunyange zvazvo kushandisa mvura sepakati kunounza njodzi dzeoxidation, matanho akaita se optimized nozzle design, kuzadza mukamuri yeatomization negasi rinodzivirira, uye kuwedzera ma antioxidants akakodzera anogona kudzora zvinobudirira zvinyorwa zveokisijeni pamazinga akaderera (kune alloys akawanda, pasi pe500 ppm), kusangana nezvinodiwa zvakawanda zvekushandisa.

4. Yakakosha Kugadzira Mutengo Wekubatsira: Kuenzaniswa neatomization yegesi uchishandisa magasi anodhura anert, mutengo wemvura unenge usingaite. Equipment investimendi uye kushandiswa kwesimba rekushandisa zvakare zvakaderera pane zvegasi atomization midziyo yeakaenzana kuburitsa, ichipa mukana wehupfumi hwekugadzira yakakura maindasitiri.

5. Broad Material Adaptability: Inokodzera kugadzira poda kubva kune iron-based, nickel-based, cobalt-based alloys kusvika kumhangura yemhangura, aluminium alloys, tin alloys, nezvimwewo, zvichiratidza kushandiswa kwakasimba.

5. Mimvuri Pasi Pekuonekwa: Nechinangwa Kuona Zvinetso Zvayo uye Zvisingakwanisi

Hapana teknolojia yakakwana; high-tembiricha yemvura atomization ine miganhu inoshanda uye matambudziko ekukunda:

1. Kune Masimbi Akanyanya Kushanda: Kune simbi dzinoshanda dzakaita setitanium alloys, tantalum, uye niobium, iyo inonyanya kukonzerwa neoxidation, njodzi ye oxidation kubva mumvura yemvura inoramba yakakwirira, zvichiita kuti zvive zvakaoma kugadzira poda ine ultra-low oxygen content (eg, <200 ppm). Zvinhu izvi pari zvino inzvimbo yetekinoroji senge inert gasi atomization kana plasma inotenderera electrode process (PREP).

2. "Satelliting" Phenomenon: Panguva yeatomization, dzimwe dzakatosimba kana semi-yakasimba hupfu hunogona kukanganisa madonhwe makuru uye kunamatira paari, kuumba "satellite balls," izvo zvinogona kukanganisa kuyerera kwehupfu uye kupararira. Inoda kudzikiswa ne optimize process parameters.

3. Kuomarara kweKudzora Kudzora: Kugadzira zvakagadzika upfu hwemhando yepamusoro kunoda kunyatsoita 协同 (xietong:协同 coordination) kutonga kwemakumi ezvimiro zvakaita sesimbi yakanyanya kupisa kupisa, kudzvanywa kwemvura, kuyerera kwemvura, chimiro chenozzle, uye kudzora mhepo, inomiririra yakakwira technical chipingamupinyi.

4. Kudzokororwa kweMvura uye Kurapa: Kugadzirwa kwakakura kunoda kushanda zvakanaka kwemvura inotonhorera uye masisitimu ekuchenesa mvura, kuwedzera kuoma kune zvivako zvekubatsira.

6. Mhedziso: Zvakanaka Chaizvo Izvozvo Here?

Mhinduro ndeiyi: Mundima yayo yehunyanzvi, hongu, iri chaizvo "yakanaka."

Iyo yakakwira-tembiricha yesimbi yemvura atomization poda yekugadzira muchina haina chinangwa chekutsiva mamwe ese ekugadzira hupfu matekinoroji. Pane kudaro, inoshanda semhinduro yehunyanzvi iyo inowana chiyero chakanakisa pakati pekushanda kwepamusoro, mutengo wakaderera, uye mhando yepamusoro, ichisangana zvakanyanya nemusika uri kukura kudiwa kwema-ultra-fine spherical metal powders.

Kana chinangwa chako chikuru chiri chekugadzira hupfu hwakatsetseka kubva kumidziyo yakaita sesimbi isina tsvina, simbi yemidziyo, alloys anopisa, cobalt-chromium alloys, copper alloys, zvekushandisa mukudhinda kwe3D, MIM, kupfapfaidza kwemafuta, nezvimwewo, uye une zvinodiwa zvakanyanya pakudzora mutengo, ipapo inoyevedza tekinoroji yemvura inoyevedza uye inoyevedza tekinoroji yemvura. Inoita kuti "mastering" ekupedzisira-yakanaka simbi kugadzirwa kwehupfu kuwedzere kuitika.

Nekudaro, kana chigadzirwa chako chiri titanium alloy kana imwe simbi inoshambira poda inoda yakanyanya oxygen yemukati kutonga kune yepamusoro-tier aerospace application, ungangoda kufunga dzimwe sarudzo senge inodhura inert inert gasi atomization kana plasma atomization tekinoroji.

Muchidimbu, iyo yepamusoro-tembiricha yesimbi mvura atomization poda yekugadzira muchina ibudiriro huru mukuvandudza yemazuva ano poda metallurgy tekinoroji. Inoshandisa fungidziro yekufunga kugadzirisa yechinyakare 矛盾 (maodun: kupokana) pakati pemhando uye mutengo, ichiva imwe injini ine simba inotyaira kusimudzira kwekugadzirwa kwepamusoro. Paunenge uchisarudza, kunyatsonzwisisa zvinhu zvako zvenyama, zvinodiwa zvechigadzirwa, uye zvakanakira neyakaipira tekinoroji ndicho chinhu chakakosha pakuita sarudzo ine hungwaru uye zvechokwadi "mastering" yemhando yepamusoro-yakanaka simbi poda kugadzirwa.